Today, we take a look at the history behind 3D motion capture animations, scratch-test a nearly indestructible sapphire display, watch iOS users join the AR war of Ingress and learn about a $20 chip that detects diabetes. Read on for Engadget's news highlights from the last 24 hours.

The virtual simians in Dawn of the Planet of the Apes are impressively lifelike, but 3D motion capture animations haven't always been so awe-inspiring. Read on as Steve Dent explains the history behind this century-old technique.

What do 45th wedding anniversaries and next gen smartphones have in common? Sapphire, that's what. This nearly indestructible gemstone makes the toughest displays on earth, but not without a hefty cost.